Hirochi Matsumoto

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Sakado, JP

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Patents Grantslast 30 patents

Information Patent Grant
Seals for cylindrical surfaces
- Patent number 4,971,306
- Issue date Nov 20, 1990
- Eagle Industry Co., Ltd.
- Takeshi Jinnouchi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES